200/300/500Pcs Brass Insert Nut M2 M3 M4 M5 M6 Heat Metric Threaded 3D Printing Inserts Nuts Hot Melt Insertnut Copper Nutsert(200Pcs,M3x5x4)

Type : Thick NutsModel Number : M2 M2.5 M3 M4 M5 M6is_customized : YesDIY Supplies : ElectricalMaterial : CopperCertification : NoneIncluded : M3x4x5mm

• 【Durable Brass Heat Inserts】：Crafted from premium brass, these heat set inserts deliver superior thermal conductivity, anti-fracture strength, and long-lasting performance—perfect for embedding parts in high-stress projects requiring reliable hold.
• 【Knurled Metric Thread Design】：Deep knurled threads lock tight with strong grip. No slippage under tension. You install once and get secure, lasting results without rework.​
• 【Wide Applicatio】: Suitable for most plastics in life: PP, ABS, PPS, etc., use soldering iron heating or ultrasonic waves for embedding. After use, carefully disassemble, and can also be reused to achieve various uses in life.
• 【Good Fastening Force】: The threaded inserts for plastic is made of solid brass, which is strong and will not rust. The even and tight threads make it firmly fixed in the accessories. The smooth threads inside make the screws etc. Seamless connection, can be used for a long time without loosening.
• 【Reliable】: Crafted from premium brass, these threaded rods offer optimal thermal conductivity. Their exceptional durability and high resistance to breakage or deformation make them a dependable choice for a wide range of applications.